Solutions

System introduction:
EVERFINE provides professional LED package and testing instruments, mainly including LED photometric, colorimetric and electrical parameters test system, LED luminous intensity distribution test system, LED accelerated aging  and life test system, LED thermal (temperature, thermal resistance) test system, LED radiation safety test system (IEC62471 ), LED near field goniophotometer, EMC test system and so on.

1. LED opto-electronic measurement system

Main functions: Measurement of luminous flux, luminous efficacy, relative spectral power distribution, chromaticity coordinates, color temperature, main wavelength, peak wavelength, color rendering index, color purity, red light ratio, color tolerance, forward voltage, forward current, reverse voltage, reverse current and so on. The transient optical characteristic measurement (pulse measurement) and steady state optical characteristic measurement (DC measurement) of LED can be realized simultaneously. It can test and analyze the comprehensive characteristics of LED, high power integrated package (COB) LED, LED module and other products at different shell temperature / junction temperature.

PCE-2000B LED opto-electronic measurement system

ATA-500/1000 Auto-temperatured LED Opto-electronic Analyzer 

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2. LED luminous intensity and angle test

Main functions: measurement of luminous intensity distribution, spatial color distribution, total luminous flux,  the characteristic curve of luminous intensity with forward current change, the characteristic curve of forward current with forward voltage variation, the characteristic curve of luminous intensity with time, forward voltage, forward current, reverse voltage, reverse current and so on.

LED626 goniophotometer for LEDs

GO-SPEX100 GONIOSPECTRORADIOMETER

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3. Aging-life test system for LEDs 
Main functions: It is used for normalaccelerated aging, luminous flux maintenance characteristics test, life test and temperature characteristic test of single LED and LED modules. The test items include: the characteristic curve of LED photometric with time (luminous flux maintenance characteristic curve), the characteristic curve of LED photometric and base temperature with time (temperature characteristic test), the characteristic curve of LED CCT and base temperature with time (temperature characteristic test), the characteristic curve of LED junction voltage with time, the characteristic curve of LED junction voltage with photometric, the characteristic curve of LED junction voltage with colorimetric change and so on. The prediction model can be established by data analyzing, and the life expectancy of LED samples under accelerated condition can be estimated.

The system fully meets international and domestic standards such as IESNA LM-80-2008, IES TM-21, ENERGY STAR. 

LT-200A Aging-life test system for single LED & LED modules

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4. LED thermal (junction temperature, thermal resistance) test 
Main functions: The analysis and measurement of LED thermal resistance, reference thermal resistance, thermal calibration coefficient, junction temperature and electrical performance parameters can be achieved. At the same time, the  characteristic curve of current (mA) with voltage (V) (I-V@TC), voltage (V) / junction temperature (℃) / with time (ms) , transient temperature rise and cooling curve, integral structure curve, differential structure curve and relative spectral curve can be drawn at different ambient temperatures.

TRA-300 LED Thermal Resistance Structure Analyzer

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5. LED optical radiation test (IEC62471 test) 

Main functions: It is mainly used for optical radiation safety testing of various sources, such as LED package, LED module, LED lamp, energy saving lamp, fluorescent lamp, HID lamp and so on. The test items include the photochemical ultraviolet hazard to skin and eyes, the near ultraviolet hazard of the eyes, retina blue light hazard, retinal heat hazard and so on, and it can evaluate the safety grade of optical radiation according to the corresponding standard.

It fully meets the requirements of such standards as IEC/EN 62471, CIE S009, GB/T 20145, IEC/EN 60598, GB7000.1, 2005/32/EC EU directive and other standards.

OST-500 Optical Radiation Test System                                                    SRS-200A Spectral irradiance radiation safety measurement system

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6. LED near-field goniophotometer

Main functions: The GO-NR1000 near-field photometer is suitable for the near-field photometric measurement of small light sources such as LED. The luminance distribution of the light source can be obtained, and the ray model is established with the algorithm to obtain the total luminous flux data, the illumination distribution at any plane in space and the far-field luminous intensity distribution, etc. The output light model of the system can match with Tracepro and other optical software, which makes it more convenient and accurate to do second optical design and development of opt products.

GO-NR1000 near-field photometer

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7. Electromagnetic compatibility (EMC) test
Main functions: According to the IEC and corresponding LED standards, electrostatic discharge immunity (ESD) test is carried out. Multiple test modes (IEC mode, MM machine mode, HBM body mode) are available. 

ESD-1000 LED ESD Automatic Test System

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8. LED MODULE ONLINE TEST SYSTEM
 Main functions: MAT series LED module online testing system tests the light color consistency of various types of LED modules, and makes a quality judgment based on the test results.

MAT SERIES MODULE AUTOMATIC TEST SYSTEM